以废弃河蚌壳为原料,经去除角质层、分离棱柱层,得到珍珠层.采用机械力化学法研磨得到生物填料(HBZZC),对其物相组成、微观形貌、热稳定性及其亲水、亲油性等表面特性进行了分析表征.实验结果表明制备的生物填料主要成分为文石碳酸钙,成片状,粒径大小约为40～1000nm,有机物含量约为4.34％,热稳定性良好.表面元素平均原子分数为Ca(8.71％),C(45.17％),O(43.79％),N(2.33％),其中有机物中各元素实际原子分数为C(64.59％),O(31.28％),N(4.13％).HBZZC粉体具有亲水、亲油双亲性,对正庚烷浸润,对水的接触角约为24.5°.利用河蚌壳为原料生产的生物填料在水性涂料和树脂中具有良好的应用前景.
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